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The voltage control relays are a microprocessor controlled relay for use in systems with more than one batery for example 4x4's, boats, caravans & campers. It safely chargers auxiliary batteries & protects starting batteries from discharge preventing starting problems.

The voltage control relays also offer Bi-directional Charging. If a battery charger is connected to the auxiliary battery & the voltage reaches 13.2V (26.4V) the start battery is also charged.

This is an advantage if a system is stationary for a long periods of time.

  • Suitable for 12/24V systems
  • Can be used as a Voltage Defendent Switch
  • Start Help Mode, connects main & auxiliary batteries for engine starting
  • Overvoltage protection. Switches off at 16V for 12V systems (32V for 24V systems)
  • Small size, easy installation
  • Operating Voltages: 12V / 24V
  • Relay Turn On Voltage: 13.2V / 26.4V
  • Relay Turn Off Voltage: 12.8V / 25.6V
  • Operating Range: Min -30°C Max +75°C
  • Max Cont Rating: 140 Amp
  • Maximum Voltage Drop: <200mV at full load
  • Easy Connection: M8 screw terminals
  • Dimensions (LxWxH): 80 x 46 x 46mm
  • Weight: 110g


All item come with a minimum of 12 Month warranty please contact us with

specific part numbers for exact warranty periods


Brand Low Voltage


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